EP1937386A4 - Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters - Google Patents

Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters

Info

Publication number
EP1937386A4
EP1937386A4 EP06803131A EP06803131A EP1937386A4 EP 1937386 A4 EP1937386 A4 EP 1937386A4 EP 06803131 A EP06803131 A EP 06803131A EP 06803131 A EP06803131 A EP 06803131A EP 1937386 A4 EP1937386 A4 EP 1937386A4
Authority
EP
European Patent Office
Prior art keywords
rfid tag
reverse osmosis
filtration devices
osmosis filtration
conductivity meters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06803131A
Other languages
German (de)
French (fr)
Other versions
EP1937386A2 (en
EP1937386B1 (en
Inventor
Norio Ikeyama
Mark Wilf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Hydranautics Corp
Original Assignee
Nitto Denko Corp
Hydranautics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp, Hydranautics Corp filed Critical Nitto Denko Corp
Publication of EP1937386A2 publication Critical patent/EP1937386A2/en
Publication of EP1937386A4 publication Critical patent/EP1937386A4/en
Application granted granted Critical
Publication of EP1937386B1 publication Critical patent/EP1937386B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/101—Spiral winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/12—Spiral-wound membrane modules comprising multiple spiral-wound assemblies
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/16—Flow or flux control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/24—Quality control
    • B01D2311/243—Electrical conductivity control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2607—Application of a magnetic field
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
EP06803131.9A 2005-09-07 2006-09-07 Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters Not-in-force EP1937386B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71498205P 2005-09-07 2005-09-07
PCT/US2006/034905 WO2007030647A2 (en) 2005-09-07 2006-09-07 Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters

Publications (3)

Publication Number Publication Date
EP1937386A2 EP1937386A2 (en) 2008-07-02
EP1937386A4 true EP1937386A4 (en) 2010-04-07
EP1937386B1 EP1937386B1 (en) 2013-12-25

Family

ID=37836478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06803131.9A Not-in-force EP1937386B1 (en) 2005-09-07 2006-09-07 Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters

Country Status (6)

Country Link
US (1) US8617397B2 (en)
EP (1) EP1937386B1 (en)
JP (1) JP5225088B2 (en)
CN (1) CN101389389B (en)
ES (1) ES2452480T3 (en)
WO (1) WO2007030647A2 (en)

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CN101389389B (en) 2005-09-07 2012-10-24 美国海德能公司 Reverse osmosis filtration devices with rfid tag-powered flow and conductivity meters
US20090320563A1 (en) * 2006-03-13 2009-12-31 Hydranautics Device for measuring permeate flow and permeate conductivity of individual reverse osmosis membrane elements
EP2239047A4 (en) * 2007-12-17 2012-09-05 Nitto Denko Corp Spiral film element, and spiral film-filtration device having the same
EP2233198A4 (en) 2007-12-17 2012-09-05 Nitto Denko Corp Spiral type film filtering device and mounting member, and film filtering device managing system and film filtering device managing method using the same
AU2008339450B2 (en) * 2007-12-17 2012-06-07 Nitto Denko Corporation Spiral film element, spiral film-filtration device having the film element, and film-filtration device managing system and film-filtration device managing method using the device
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JP2012176370A (en) * 2011-02-28 2012-09-13 Nitto Denko Corp Connecting member and isolating film module
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See also references of WO2007030647A2 *

Also Published As

Publication number Publication date
CN101389389B (en) 2012-10-24
US20080296208A1 (en) 2008-12-04
ES2452480T3 (en) 2014-04-01
WO2007030647A3 (en) 2007-05-18
EP1937386A2 (en) 2008-07-02
JP5225088B2 (en) 2013-07-03
EP1937386B1 (en) 2013-12-25
JP2009508665A (en) 2009-03-05
US8617397B2 (en) 2013-12-31
WO2007030647A2 (en) 2007-03-15
CN101389389A (en) 2009-03-18

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